#top {
    position: relative;
    background-color: white;
    color: black;
    width: 70%;
    left: 50%;
    margin-left: -35%;
    margin-top: 70px;
}

#bottom {
    position: relative;
    background-color: white;
    padding: 0px;
    margin: 0px 0px 0px -35%;
    width: 70%;
    left: 50%;
}

.center_content {
    position: relative;
    background-color: white;    
    left: 50%;
    width: 50%;
    margin-left: -25%;
    padding: 10px 0px;
}

#top a:link, #top a:visited {
    color: black;
    font-weight : bold;
    text-decoration: none;
}

#top a:link:hover, #top a:visited:hover  {
    color: black;
    font-weight : bold;
    text-decoration : underline;
}
